Aug 17 03:13:51.744 INFO checking dahlia/gitter-slack against master#142bb27373126edf8367f526358b6c72ecf1d8df for pr-53426
Aug 17 03:13:51.744 INFO running: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 03:13:51.744 INFO creating container for: cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets
Aug 17 03:13:51.745 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53426/master#142bb27373126edf8367f526358b6c72ecf1d8df:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-4/master#142bb27373126edf8367f526358b6c72ecf1d8df:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +142bb27373126edf8367f526358b6c72ecf1d8df-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 03:13:51.980 INFO blam! 1d05221c4ce76cbdbc70662b7241027c815f3d017748cf7964f1c5b46a1306d5
Aug 17 03:13:51.983 INFO running `"docker" "start" "-a" "1d05221c4ce76cbdbc70662b7241027c815f3d017748cf7964f1c5b46a1306d5"`
Aug 17 03:13:52.774 INFO kablam! warning: only one of `license` or `license-file` is necessary
Aug 17 03:13:53.089 INFO kablam!     Checking libc v0.2.29
Aug 17 03:13:53.089 INFO kablam!     Checking futures v0.1.14
Aug 17 03:13:53.120 INFO kablam!     Checking serde v1.0.11
Aug 17 03:13:53.122 INFO kablam!    Compiling serde_derive v1.0.11
Aug 17 03:14:02.421 INFO kablam!     Checking iovec v0.1.0
Aug 17 03:14:02.424 INFO kablam!     Checking net2 v0.2.31
Aug 17 03:14:02.428 INFO kablam!     Checking openssl-sys v0.9.17
Aug 17 03:14:02.432 INFO kablam!     Checking num_cpus v1.6.2
Aug 17 03:14:02.435 INFO kablam!     Checking rand v0.3.16
Aug 17 03:14:05.005 INFO kablam!     Checking time v0.1.38
Aug 17 03:14:05.389 INFO kablam!     Checking bytes v0.4.5
Aug 17 03:14:11.329 INFO kablam!     Checking mio v0.6.10
Aug 17 03:14:11.697 INFO kablam!     Checking openssl v0.9.17
Aug 17 03:14:26.923 INFO kablam!     Checking tokio-io v0.1.3
Aug 17 03:14:26.923 INFO kablam!     Checking tokio-service v0.1.0
Aug 17 03:14:26.924 INFO kablam!     Checking futures-cpupool v0.1.5
Aug 17 03:14:37.507 INFO kablam!     Checking tokio-core v0.1.9
Aug 17 03:14:49.253 INFO kablam!     Checking tokio-proto v0.1.1
Aug 17 03:14:50.034 INFO kablam!     Checking native-tls v0.1.4
Aug 17 03:14:52.378 INFO kablam!     Checking tokio-tls v0.1.3
Aug 17 03:14:59.130 INFO kablam!     Checking hyper v0.11.2
Aug 17 03:15:04.467 INFO kablam!     Checking chrono v0.4.0
Aug 17 03:15:04.468 INFO kablam!     Checking serde_json v1.0.2
Aug 17 03:15:20.288 INFO kablam!     Checking hyper-tls v0.1.2
Aug 17 03:15:21.507 INFO kablam!     Checking gitter-slack v0.1.1 (file:///source)
Aug 17 03:15:24.718 INFO kablam! warning: variable does not need to be mutable
Aug 17 03:15:24.719 INFO kablam!    --> src/main.rs:139:17
Aug 17 03:15:24.719 INFO kablam!     |
Aug 17 03:15:24.719 INFO kablam! 139 |             let mut bf = &mut buffer;
Aug 17 03:15:24.719 INFO kablam!     |                 ----^^
Aug 17 03:15:24.719 INFO kablam!     |                 |
Aug 17 03:15:24.719 INFO kablam!     |                 help: remove this `mut`
Aug 17 03:15:24.730 INFO kablam!     |
Aug 17 03:15:24.730 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 17 03:15:24.731 INFO kablam! 
Aug 17 03:15:25.131 INFO kablam! warning: variable does not need to be mutable
Aug 17 03:15:25.131 INFO kablam!    --> src/main.rs:139:17
Aug 17 03:15:25.131 INFO kablam!     |
Aug 17 03:15:25.132 INFO kablam! 139 |             let mut bf = &mut buffer;
Aug 17 03:15:25.132 INFO kablam!     |                 ----^^
Aug 17 03:15:25.132 INFO kablam!     |                 |
Aug 17 03:15:25.132 INFO kablam!     |                 help: remove this `mut`
Aug 17 03:15:25.132 INFO kablam!     |
Aug 17 03:15:25.132 INFO kablam!     = note: #[warn(unused_mut)] on by default
Aug 17 03:15:25.132 INFO kablam! 
Aug 17 03:15:25.277 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
Aug 17 03:15:25.318 INFO kablam! su: No module specific data is present
Aug 17 03:15:25.830 INFO running `"docker" "rm" "-f" "1d05221c4ce76cbdbc70662b7241027c815f3d017748cf7964f1c5b46a1306d5"`
Aug 17 03:15:25.977 INFO blam! 1d05221c4ce76cbdbc70662b7241027c815f3d017748cf7964f1c5b46a1306d5